The larger profile, ‘wood-type’ TSi1 hybrids are engineered to deliver high launch and mid-spin, and feature a 455 Carpenter Steel Forged Face. It also has a deeper CG for high MOI and exceptional stability and speed across the face. The Titleist TSi1 hybrids range in lofts from 20º to 29º. In testing, moderate swing speed players preferred it, especially when they were able to generate more club speed and more distance.